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Vishay General Semiconductor - Diodes Division SMCJ10A-E3/9AT
- Part No.:
- SMCJ10A-E3/9AT
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
SMCJ10A-E3/9AT.pdf
- Description:
- TVS DIODE 10VWM 17VC DO214AB
- Quantity:
- Payment:
- Shipping:
Inventory:7,292
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Product details
Overview
SMCJ10A-E3/9AT from Vishay General Semiconductor is a unidirectional surface-mount Transient Voltage Suppressor (TVS) diode in SMC (DO-214AB) package, designed for clamping voltage transients on power and signal lines. It features a 10 V standoff voltage (VWM), 11.1–12.3 V breakdown voltage (VBR) at 1 mA, 17.0 V maximum clamping voltage (VC) at 88.2 A peak pulse current (IPPM), and 1500 W peak pulse power (PPPM) with 10/1000 µs waveform.
For engineers reviewing the SMCJ10A-E3/9AT datasheet, SMCJ10A-E3/9AT pinout, SMCJ10A-E3/9AT application, or SMCJ10A-E3/9AT equivalent, key selection criteria include clamping performance under 88.2 A surge, thermal resistance (RθJA = 75 °C/W), unidirectional polarity marking, RoHS-compliant matte tin plating, and suitability for automotive-grade designs when ordered with HE3 suffix.
Technical Context
This TVS diode operates as a voltage-clamping protection device, triggered when reverse voltage exceeds its breakdown threshold (VBR). Its glass-passivated junction ensures stable avalanche behavior, low incremental surge resistance enables rapid energy absorption, and MSL Level 1 rating supports lead-free reflow up to 260 °C.
The SMCJ10A-E3/9AT is rated for -55 °C to +150 °C operating junction temperature, delivers 6.5 W steady-state power dissipation at TA = 50 °C, and exhibits a positive temperature coefficient of VBR (+0.078 %/°C), ensuring predictable voltage drift across temperature.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VWM | 10 V - Maximum continuous reverse operating voltage before clamping initiates |
| VBR min/max | 11.1 V / 12.3 V at 1 mA - Confirmed breakdown range defining turn-on threshold |
| VC @ IPPM | 17.0 V at 88.2 A - Clamped voltage during 10/1000 µs transient, limiting downstream stress |
| PPPM | 1500 W - Peak transient power handling capability per standard waveform |
| ID @ VWM | 5.0 µA - Low leakage ensures minimal standby power loss and signal integrity |
| TJ max | +150 °C - Enables use in under-hood automotive and industrial environments |
| RθJA | 75 °C/W - Thermal resistance informs heatsinking requirements on standard PCB pads |
Pinout & Package
Package: SMC (DO-214AB), surface-mount, molded case meeting UL 94 V-0 flammability rating; cathode indicated by band on body; matte tin-plated leads compliant with J-STD-002 and JESD 22-B102.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward conduction terminal | Connected to lower-potential side in unidirectional configuration; carries forward surge current up to 200 A (IFSM) |
| Cathode | Reverse-biased clamping terminal | Marked with band; sinks transient current during overvoltage events; defines polarity-sensitive placement |
Key Features
| Feature | Design Value |
|---|---|
| Low-profile SMC package | Enables high-density PCB layouts and compatibility with automated pick-and-place equipment |
| Glass-passivated junction | Ensures stable, repeatable avalanche characteristics and long-term reliability under repeated surges |
| 1500 W peak pulse power | Provides robust protection against IEC 61000-4-5 Level 4 (4 kV) and ISO 7637-2 Pulse 1/2a/3a transients |
| MSL Level 1 rating | Supports single-reflow assembly without moisture sensitivity concerns at peak 260 °C |
| RoHS-compliant E3 suffix | Meets commercial-grade environmental compliance with matte tin terminations and halogen-free molding compound |
Applications
| Automotive Power Line Protection | Industrial Sensor Interface Protection |
|---|---|
Use Scenario: Protecting 12 V battery-fed ECUs from load dump and alternator transients. IC Role / Device Role / Timing Role: Unidirectional TVS placed between power rail and ground to clamp spikes above 17.0 V. Use Value: Limits voltage seen by downstream DC-DC converters and microcontrollers to safe levels during ISO 7637-2 Pulse 5a events. | Use Scenario: Safeguarding analog sensor outputs (e.g., pressure, temperature) in factory automation systems. IC Role / Device Role / Timing Role: TVS mounted at connector entry point to absorb ESD and inductive switching noise on 0–10 V or 4–20 mA lines. Use Value: Prevents latch-up or damage to precision op-amps and ADC inputs while maintaining <5.0 µA leakage at 10 V bias. |
| Consumer USB Power Rail Clamp | Telecom DSL Line Surge Guard |
Use Scenario: Secondary overvoltage protection on 5 V USB VBUS lines in portable docking stations. IC Role / Device Role / Timing Role: Fast-response clamping device placed after primary fuse and upstream of USB PD controller. Use Value: Activates within nanoseconds to suppress 1500 W surges while preserving 10 V standoff for normal operation. | Use Scenario: Front-end protection for ADSL/VDSL line drivers exposed to lightning-induced surges. IC Role / Device Role / Timing Role: Unidirectional TVS used in series with gas discharge tube (GDT) for hybrid protection architecture. Use Value: Provides low-clamp voltage (17.0 V) to protect sensitive line interface ICs without compromising signal integrity at 1–30 MHz. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SAC10A-TB | Same VWM (10 V), slightly higher VC (17.5 V), lower PPPM (1000 W), DO-214AA (SMA) package | Lower power handling limits use to sub-1 kV transients; smaller footprint reduces board space but increases thermal stress | Select when cost or size constraints outweigh need for full 1500 W rating |
| 1.5KE10A | Through-hole TO-218 package, identical electrical specs (VWM = 10 V, VC = 17.0 V, PPPM = 1500 W), higher RθJA (~50 °C/W on large heatsink) | Requires through-hole assembly and heatsinking; unsuitable for high-density SMT production | Choose only for legacy through-hole designs or where mechanical robustness outweighs SMT efficiency |
Compared with SAC10A-TB and 1.5KE10A, the SMCJ10A-E3/9AT offers optimal balance of high-power SMT integration, industry-standard SMC footprint, and verified automotive qualification path via HE3 variant-making it preferred for new automotive and industrial PCB designs requiring AEC-Q101 readiness.
Availability
SMCJ10A-E3/9AT is available at Aetrix Electronics and suitable for automotive electronics, industrial sensor interfaces, and consumer USB power rail protection requiring stable component supply and traceable sourcing.
Supply support for SMCJ10A-E3/9AT includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Vishay General Semiconductor is a global leader in discrete semiconductors, specializing in diodes, rectifiers, MOSFETs, and protection devices with emphasis on reliability and application-specific performance.
The SMCJ series is engineered for high-energy transient suppression in harsh environments, targeting automotive, industrial, and telecom applications where robustness against ISO 7637-2 and IEC 61000-4-5 threats is mandatory.
FAQ
What is the clamping voltage of the SMCJ10A-E3/9AT under maximum surge conditions?
The SMCJ10A-E3/9AT clamps to a maximum of 17.0 V when subjected to its rated 88.2 A peak pulse current (IPPM) using the standardized 10/1000 µs waveform. This value is measured at the device terminals under specified test conditions and defines the upper voltage limit imposed on protected circuitry during transient events. The SMCJ10A-E3/9AT maintains this clamping performance consistently due to its glass-passivated junction and low incremental surge resistance.
Is the SMCJ10A-E3/9AT suitable for automotive applications?
The SMCJ10A-E3/9AT itself is RoHS-compliant commercial-grade; however, Vishay offers the AEC-Q101-qualified variant SMCJ10AHE3_A/I with identical electrical specs and SMC package. For automotive use, specify the HE3 suffix to ensure qualification to AEC-Q101 stress tests. The SMCJ10A-E3/9AT shares the same thermal and electrical design as the qualified version, enabling direct layout reuse when upgrading to automotive grade.
What does the "E3/9AT" suffix indicate in SMCJ10A-E3/9AT?
The "E3" denotes RoHS-compliant, commercial-grade construction with matte tin-plated leads; "9AT" specifies packaging in 13-inch diameter plastic tape and reel, with a base quantity of 3500 units. This format supports high-volume SMT assembly and is compatible with standard pick-and-place feeders. The SMCJ10A-E3/9AT is not halogen-free (that requires "M3") nor automotive-qualified (which uses "HE3" or "HM3").
How does the SMCJ10A-E3/9AT compare to bidirectional TVS diodes like SMCJ10CA?
The SMCJ10A-E3/9AT is unidirectional and conducts only in reverse bias above VBR, making it ideal for DC power rails with defined polarity. In contrast, SMCJ10CA provides symmetrical clamping in both directions and suits AC-coupled or polarity-agnostic signal lines. Both share identical VWM (10 V), VC (17.0 V), and PPPM (1500 W), but the SMCJ10A-E3/9AT offers lower leakage (<5.0 µA) and supports forward surge current (IFSM = 200 A), unlike the bidirectional version.
What PCB pad layout is recommended for optimal thermal performance of the SMCJ10A-E3/9AT?
Vishay specifies mounting on 0.31" x 0.31" (8.0 mm x 8.0 mm) copper pads per terminal to achieve rated PPPM and thermal resistance (RθJA = 75 °C/W). Smaller pads increase thermal impedance and reduce surge capability. The SMCJ10A-E3/9AT's SMC (DO-214AB) outline requires precise land pattern alignment per the manufacturer's dimensional drawing-deviations risk solder joint fatigue or premature failure under repeated surge stress.
SMCJ10A-E3/9AT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Vishay General Semiconductor - Diodes Division
- Package/Case:
- DO-214AB, SMC
- Series:
- TransZorb®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 10V
- Voltage - Breakdown (Min):
- 11.1V
- Voltage - Clamping (Max) @ Ipp:
- 17V
- Current - Peak Pulse (10/1000µs):
- 88.2A
- Power - Peak Pulse:
- 1500W (1.5kW)
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AB (SMCJ)
SMCJ10A-E3/9AT FAQ
1.How can I place an order for SMCJ10A-E3/9AT through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCJ10A-E3/9AT on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for SMCJ10A-E3/9AT reliable?
The price and inventory of SMCJ10A-E3/9AT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMCJ10A-E3/9AT is usually 5 days.
3.What payment methods are accepted for SMCJ10A-E3/9AT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCJ10A-E3/9AT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCJ10A-E3/9AT?
SMCJ10A-E3/9AT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCJ10A-E3/9AT order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for SMCJ10A-E3/9AT?
For technical support, including SMCJ10A-E3/9AT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCJ10A-E3/9AT requirements.
6.How does Aetrix verify that SMCJ10A-E3/9AT is sourced from the original manufacturer or authorized distributors?
All SMCJ10A-E3/9AT products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that SMCJ10A-E3/9AT meets industry standards.
7.What is the process for return or replacement of SMCJ10A-E3/9AT?
All SMCJ10A-E3/9AT units undergo pre-shipment inspection (PSI). If there is an issue with SMCJ10A-E3/9AT, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The SMCJ10A-E3/9AT part is unused and in its original packaging.
Return procedure for SMCJ10A-E3/9AT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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